Unit 10 Review

Front

What is a major risk for plant populations in low-biodiversity ecosystems?

Back

They are more susceptible to pests and diseases.

Front

What is an invasive species?

Back

A non-native species that disrupts an ecosystem and outcompetes native species.

Front

What trophic level is the owl in a food web?

Back

Tertiary Consumer

Front

What are animals called in a food chain?

Back

Consumers

Front

How does an algae bloom impact the food web in the stream?

Back

The algae may provide an abundant food source for herbivores, but it ultimately harms higher trophic levels due to oxygen depletion.

Front

Define biodiversity.

Back

The variety of life in a particular habitat or ecosystem.

Front

What is a food web?

Back

A system of interlocking and interdependent food chains.

Front

What role do decomposers play in an ecosystem?

Back

They break down dead organic material, returning nutrients to the soil.

Front

What is a producer in an ecosystem?

Back

An organism that can make its own food through photosynthesis or chemosynthesis.

Front

What is the difference between a primary consumer and a secondary consumer?

Back

Primary consumers eat producers, while secondary consumers eat primary consumers.